Home / 910,332,344.44-1,256,262,591.27-492,644,664.82

Finding the Fourth Proportional to 910,332,344.44, 1,256,262,591.27 and 492,644,664.82

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Solution

The fourth proportional to 910,332,344.44, 1,256,262,591.27 and 492,644,664.82 is: 679,851,778.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,332,344.44 : 1,256,262,591.27 = 492,644,664.82 : x
  2. Step 2: Convert to fraction form
    910,332,344.44/1,256,262,591.27 = 492,644,664.82/x
  3. Step 3: Cross multiply
    910,332,344.44x = 1,256,262,591.27 × 492,644,664.82
  4. Step 4: Simplify right side
    910,332,344.44x = 618,891,063,202,113,792
  5. Step 5: Solve for x
    x = 618,891,063,202,113,792/910,332,344.44
  6. Step 6: Final answer
    x = 679,851,778.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.